import turtle
import random
def points_oppends():
    points = []
    for i in range(6):
        points.append([300,30*i])
    return points
def bd():
    turtle.clear()
    for point in points:
        turtle.up()
        turtle.goto(point)
        turtle.down()
        turtle.dot(30,'red')
        point[0]-=random.randint(10,30)
    turtle.ontimer(bd,300)
points = points_oppends()
turtle.tracer(False)
bd()
turtle.done()
